Tephra layers in the marine environment: a review of properties and emplacement processes

A Freundt, JC Schindlbeck-Belo, S Kutterolf… - 2023 - pubs.geoscienceworld.org
This review focuses on the recognition of volcanic ash occurrences in marine sediment
cores and on using their appearance and properties to deduce their origin. Widespread …

[HTML][HTML] A North Atlantic tephrostratigraphical framework for 130–60 ka b2k: new tephra discoveries, marine-based correlations, and future challenges

SM Davies, PM Abbott, RH Meara, NJG Pearce… - Quaternary Science …, 2014 - Elsevier
Building chronological frameworks for proxy sequences spanning 130–60 ka b2k is plagued
by difficulties and uncertainties. Recent developments in the North Atlantic region, however …

Cryptotephras: the revolution in correlation and precision dating

SM Davies - Journal of Quaternary Science, 2015 - Wiley Online Library
From its Icelandic origins in the study of visible tephra horizons, tephrochronology took a
remarkable step in the late 1980 s with the discovery of a ca. 4300‐year‐old microscopic …

[HTML][HTML] Optimising the use of marine tephrochronology in the North Atlantic: a detailed investigation of the Faroe Marine Ash Zones II, III and IV

AJ Griggs, SM Davies, PM Abbott… - Quaternary Science …, 2014 - Elsevier
Tephrochronology is central to the INTIMATE 1 goals for testing the degree of climatic
synchroneity during abrupt climatic events that punctuated the last glacial period. Since their …

Microbeam methods for the analysis of glass in fine-grained tephra deposits: a SMART perspective on current and future trends

NJG Pearce, PM Abbott… - … Society, London, Special …, 2014 - lyellcollection.org
Correlation of tephra deposits frequently relies on the analysis of glass shards separated
from their host. Small shards from distal deposits (marine-, ice-or lake-cores, peat bogs) are …

The detailed tephrostratigraphy of a core from the south‐east Black Sea spanning the last∼ 60 ka

VL Cullen, VC Smith, HW Arz - Journal of Quaternary Science, 2014 - Wiley Online Library
One visible volcanic ash layer and 21 non‐visible, cryptotephra horizons have been
identified in the M72/5‐25‐GC1 core from the south‐east Black Sea that spans the last∼ 60 …

Tracing marine cryptotephras in the North Atlantic during the last glacial period: Protocols for identification, characterisation and evaluating depositional controls

PM Abbott, AJ Griggs, AJ Bourne, SM Davies - Marine Geology, 2018 - Elsevier
Tephrochronology is increasingly being utilised as a key tool for improving chronological
models and correlating disparate palaeoclimatic sequences. For many sedimentary …

Visualizing tephra deposits and sedimentary processes in the marine environment: The potential of X‐ray microtomography

AJ Griggs, SM Davies, PM Abbott… - Geochemistry …, 2015 - Wiley Online Library
Localized tephra deposition in marine sequences is the product of many complex primary
and secondary depositional processes. These can significantly influence the potential …

The interpretative value of transformed tephra sequences

AJ Dugmore, PIJ Thompson, RT Streeter… - Journal of …, 2020 - Wiley Online Library
We explore developments in tephra science that consider more than chronology, using case
studies of morphological transformations of tephra deposits. Volcanic processes and …

Tephrochronology

DJ Lowe, BV Alloway - 2015 - researchcommons.waikato.ac.nz
Tephrochronology is the use of primary, characterized tephras or cryptotephras as
chronostratigraphic marker beds to connect and synchronize geological …